42913993443 has 4 divisors (see below), whose sum is σ = 57218657928. Its totient is φ = 28609328960.

The previous prime is 42913993411. The next prime is 42913993459. The reversal of 42913993443 is 34439931924.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42913993443 - 2⁵ = 42913993411 is a prime.

It is a super-2 number, since 2×42913993443² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42913993043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7152332238 + ... + 7152332243.

It is an arithmetic number, because the mean of its divisors is an integer number (14304664482).

Almost surely, 2^42913993443 is an apocalyptic number.

42913993443 is a deficient number, since it is larger than the sum of its proper divisors (14304664485).

42913993443 is a wasteful number, since it uses less digits than its factorization.

42913993443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14304664484.

The product of its digits is 2519424, while the sum is 51.

The spelling of 42913993443 in words is "forty-two billion, nine hundred thirteen million, nine hundred ninety-three thousand, four hundred forty-three".